If you add defunct parties then yes still there are parties like Movement in Support of the Army inside the KPRF which is literally a Nazbol party with Militarism Anti-Semitism Ultranationalism and Soviet Patriotism https://en.wikipedia.org/wiki/Movement_in_Support_of_the_Army (Wikipedia is not trustable but ProleWiki does not have a page on it yet)
Nobody’s beaten the Khmer Rouge when it comes to worst communist party yet.
Khmer Rouge and Shining Path would be worst no question that is why I excluded them
If you add defunct parties then yes still there are parties like Movement in Support of the Army inside the KPRF which is literally a Nazbol party with Militarism Anti-Semitism Ultranationalism and Soviet Patriotism https://en.wikipedia.org/wiki/Movement_in_Support_of_the_Army (Wikipedia is not trustable but ProleWiki does not have a page on it yet)